Australian academic and feminist writer Germaine Greer has defended her views on transgender issues, amid calls for the cancellation of one of her upcoming lectures in Wales.

Greer is scheduled to deliver a lecture called Women & Power: The Lessons of the 20th Century at Cardiff University on November 18.

But those plans are looking shaky after a student involved in the university's student union started a petition calling for the event to be cancelled because Greer's views on transgender issues are "problematic".

"Greer has demonstrated time and time again her misogynistic views towards trans women, including continually misgendering trans women and denying the existence of transphobia altogether," the petition says.

"While debate in a university should be encouraged, hosting a speaker with such problematic and hateful views towards marginalised and vulnerable groups is dangerous."

I don't even talk about it, they're not my issue. I haven't published anything about transgender for years.

But Greer has since come out in defence of her views, telling BBC Newsnight she is "not about to walk on eggshells".

"Apparently people have decided that because I don't think that post-operative transgender men are women, I'm not to be allowed to talk," she said.

"I'm not saying that people should not be allowed to go through that procedure, what I'm saying is it doesn't make them a woman.

"It happens to be an opinion, it's not a prohibition."

Since being posted on change.org on Friday, the petition has garnered the support of over 1,400 people.